动脉粥样硬化导致的脑血栓形成最常发生在：（）
A.豆纹动脉
B.大脑后动脉
C.小脑上动脉
D.颈内动脉和大脑中动脉
E.基底动脉
参考答案：D
—Jack isn't a football coach, is he?
—_________.
A．No, but he was.
B．Yes, he isn't
C．Yes, he wasn't
D．No, he is
截至2009年年末，我国共批准65家商业银行、基金公司和保险公司等合格境内机构投资者。 ( )
